%0 Journal Article %A Kalas, Josef %T Contributions to the asymptotic behaviour of the equation $\dot z=f(t,z)$ with a complex-valued function $f$ %J Czechoslovak Mathematical Journal %D 1990 %P 31-45 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102357/ %R 10.21136/CMJ.1990.102357 %G en %F 10_21136_CMJ_1990_102357